Mosaic of the sail. The conning station is at Arrow (1), upside down with the leading edge to the left in this photograph. The sail planes (2) are completely reversed. Below the sail is a torpedo shutter door (3). An air bottle is at (4) ... . Actuating gear for torpedo shutter door (5). Quoted text is from the caption released with the original image, which was received by the Naval Photographic Center in December 1966. View shows the starboard side of the sail. See Photo # NH 97544 for a view of this side of the sail taken prior to Thresher's loss. Official U.S. Navy Photograph, from the collections of the Naval History and Heritage Command.